Hostname

chen.at

Last fetched Tue, 30 Jun 2026 13:23:37 GMT

chen.at resolves to 1 IPv4 address operated by AS5517 in DE. WHOIS lists registrar:csl computer service langenbach gmbh as the registrar.

Nutrition Label

Resolution chain

chen.at resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IP	Prefix	ASN	Operator	Country
194.245.148.217	194.245.0.0/16	AS5517	—	DE

WHOIS identity

Registrar: registrar:csl computer service langenbach gmbh
Organization: bettina hainschink
Contact emails: —

Subdomains

1 observed subdomain of chen.at.

Subdomain
www.chen.at

Web-graph footprint

Distinct hostnames that link to or from chen.at in the public web crawl.

8 sites link to this hostname.

1 site linked to from this hostname.

Sample inbound links

Sample outbound links

shaolin.at

Threat posture

History

Mail and authentication

MX records

emails.tripple.at

SPF policy

3 SPF mechanisms authorising senders for chen.at.

Mechanism	Target
SPF_A	chen.at
SPF_MX	chen.at
SPF_MX	spf.tripple.at

Pivot deeper into the graph from chen.at.

Cypher and MCP

Reproduce the resolution chain directly against graph.whisper.security:

MATCH (h:HOSTNAME {name: "chen.at"})-[:RESOLVES_TO]->(ip:IPV4)
      -[:ANNOUNCED_BY]->(ap:ANNOUNCED_PREFIX)
      -[:ROUTES]->(asn:ASN)-[:HAS_NAME]->(n:ASN_NAME)
RETURN ip.name AS ip, ap.name AS prefix, asn.name AS asn, n.name AS operator
LIMIT 20

Or query Whisper from your own LLM workflow via the Whisper MCP server.